Turbocharger heat shield.

摘要

A turbocharger apparatus 2 comprises a heat shield 120 for shielding a bearing assembly (11) (fig. 1) and bearing housing 68 from the exhaust gases driving the turbocharger turbine 12. The shield may comprise two separable sections 73, 75 and be retained at its radially inner edge by a locking ring 67. Cooling air may be supplied to the back of the shield in a pipe 152 and slots may be provided in the front wall of the shield to to accomodate adjustable guide vanes 102.